2006

6.1

6.6

2020

6.4

1985

6.1

6.5

1958

5.5

1998

8.9

5.4

1986

6.2

2003

5.0

2001

4.8

2023

6.4

6.3

2012

5.4

1980

6.5

2018

5.3

2012

6.3

1988

7.2

2016

6.7

2015

6.5